import math
import time

# # 实例1
#
# for i in range(1,5):
#     for j in range(1,5):
#         for k in range(1,5):
#             if len(set([i, j, k]))==3:
#                 print(i, j, k)
# # 实例2
# n =int(input('净利润(万)'))
# if n<=10:
#     print(n*0.1)
# elif 10<n<=20:
#     print(1+(n-10)*0.075)
# elif 20<n<=40:
#     print(1.075+(n-20)*0.05)
# elif 40<n<=60:
#     print(1.125+(n-40)*0.03)
# elif 60<n<=100:
#     print(1.15+(n-60)*0.015)
# elif n>100:
#     print(1.165+(n-100)*0.01)

# 实例3
# p = []
# for i in range(2,169,2):
#     for j in range(i,168,2):
#         if i*j==168:
#             m=(i+j)//2
#             p.append(m**2-268)
# print(p)
# 实例4
# year = int(input('请输入年份'))
# month = int(input('请输入月份'))
# day = int(input('请输入日期'))
# months = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
# ans = 0
#
#
# def ifrunnian(year):
#     return year % 4 == 0 and year % 100 != 0 or year % 400 == 0
#
#
# for i in range(month - 1):
#     if i == 1 and ifrunnian(year):
#         ans += 1
#     ans += months[i]
# ans+=day
# print(ans)
# 实例5
# a=int(input())
# b=int(input())
# c=int(input())
# li=[a,b,c]
# li.sort()
# print(li)
# 实例6
# def 斐波那契(n):
#     if n<=2:
#         return 1
#     return 斐波那契(n-1)+斐波那契(n-2)
# print(斐波那契(int(input())))
# 实例7
# a=[1,2,3]
# b=a.copy()
# print(b)
# 实例8
# for i in range(1,10):
#     for j in range(1,i+1):
#         print('{}*{}={}'.format(j,i,i*j),end='\t')
#     print()
# 实例9
# print('暂停一秒')
# time.sleep(1)
# print('暂停结束')
# 实例10
# print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime()))
# time.sleep(1)
# print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime()))
